Katherine Thonis, LCSW
NPI 1538207477 · Clinical Social Worker · Manchester, NH
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Thonis, LCSW is a Clinical Social Worker provider in Manchester, NH (NPI 1538207477).
Provider details
- NPI number
- 1538207477
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-02
- Last updated
- 2021-08-25
- Certified
- 2021-08-13
Frequently asked questions
- What is Katherine Thonis's NPI number?
- Katherine Thonis's National Provider Identifier (NPI) is 1538207477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Thonis's specialty?
- Katherine Thonis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Thonis located?
- Katherine Thonis's practice location on file with NPPES is 250 Commercial St # 2011e, Manchester, NH 03101-1142.
- What is Katherine Thonis's phone number?
- The practice phone number listed in the NPPES registry for Katherine Thonis is (603) 801-5597.
- Does Katherine Thonis accept Medicare?
- Katherine Thonis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Thonis's NPI active?
- Yes — Katherine Thonis's NPI (1538207477) is active in the NPPES registry as of the last update on 2021-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.